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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/psadc/psadc-test_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">测试指南</h1><div class="date inPage">23 Dec 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d132650e22__20250121171606"><strong class="+ topic/ph hi-d/b ph b">测试环境</strong>：<ul class="- topic/ul ul" id="psadc_test_guide__ul_ggf_jsz_21c" data-ofbid="psadc_test_guide__ul_ggf_jsz_21c"><li class="- topic/li li" data-ofbid="d132650e27__20250121171606">硬件：开发板</li><li class="- topic/li li" data-ofbid="d132650e29__20250121171606">软件：<ul class="- topic/ul ul" id="psadc_test_guide__ul_jhv_mz4_g1c" data-ofbid="psadc_test_guide__ul_jhv_mz4_g1c"><li class="- topic/li li" data-ofbid="d132650e32__20250121171606">PC 端的串口终端软件，用于 PC 和开发板进行串口通信</li><li class="- topic/li li" data-ofbid="d132650e34__20250121171606">
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<p class="- topic/p p" data-ofbid="d132650e36__20250121171606">test_psadc 测试程序</p>
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</li></ul></li></ul></div><section class="- topic/section section" id="psadc_test_guide__section_rdj_pz4_g1c" data-ofbid="psadc_test_guide__section_rdj_pz4_g1c"><h2 class="- topic/title title sectiontitle">test_psadc 测试</h2>
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<ol class="- topic/ol ol" id="psadc_test_guide__ol_pfb_qz4_g1c" data-ofbid="psadc_test_guide__ol_pfb_qz4_g1c"><li class="- topic/li li" data-ofbid="d132650e47__20250121171606">
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<p class="- topic/p p" data-ofbid="d132650e49__20250121171606">在 Luban-Lite 根目录下执行 <code class="+ topic/ph pr-d/codeph ph codeph">scons
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--menuconfig</code>，进入 menuconfig 的功能配置界面，按如下选择：</p>
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__pre_qdj_pz4_g1c" data-ofbid="psadc_test_guide__pre_qdj_pz4_g1c">Drivers options --->
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Drivers examples --->
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[*] Enable PSADC driver test command
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</pre>
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</li><li class="- topic/li li" data-ofbid="d132650e58__20250121171606"><strong class="+ topic/ph hi-d/b ph b">test_psadc 测试</strong>：根据不同的开发环境，在打开 PSADC 的编译后，板子上可直接运行相应的 psadc 命令：<ul class="- topic/ul ul" id="psadc_test_guide__ul_xvm_by4_ybc" data-ofbid="psadc_test_guide__ul_xvm_by4_ybc"><li class="- topic/li li" data-ofbid="d132650e63__20250121171606">RTOS
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开发环境：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__pre_sdj_pz4_g1c" data-ofbid="psadc_test_guide__pre_sdj_pz4_g1c">test_psadc -h</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_pxl_mfk_5dc" data-ofbid="psadc_test_guide__codeblock_pxl_mfk_5dc">Compile time: Jul <span class="hl-number">26202308</span>:<span class="hl-number">20</span>:<span class="hl-number">53</span>
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Usage: test_psadc [options]:
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-c, --channel Select one channel <strong class="+ topic/ph hi-d/b ph b">in</strong>[<span class="hl-number">0</span>, <span class="hl-number">11</span>], <strong class="hl-keyword">default</strong> is <span class="hl-number">0</span>
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-t, --voltage Input standard voltage, <strong class="hl-keyword">default</strong> is <span class="hl-number">3</span>
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-h, --help
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Example: test_psadc -c <span class="hl-number">4</span> -t <span class="hl-number">3</span></pre></li><li class="- topic/li li" data-ofbid="d132650e72__20250121171606">Baremetal
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开发环境<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_o3j_ry4_ybc" data-ofbid="psadc_test_guide__codeblock_o3j_ry4_ybc">test_psadc help</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_lsp_mfk_5dc" data-ofbid="psadc_test_guide__codeblock_lsp_mfk_5dc">Compile time: May <span class="hl-number">29</span> <span class="hl-number">2024</span> <span class="hl-number">13</span>:<span class="hl-number">23</span>:<span class="hl-number">14</span>
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Usage: test_psadc [options]
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test_psadc read : Get the adc value
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test_psadc modify <standard voltage> : Modify standard voltage, <strong class="hl-keyword">default</strong> is <span class="hl-number">3</span>
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test_psadc status : Check the psadc status
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test_psadc help : Get this help</pre><div class="- topic/p p" data-ofbid="d132650e78__20250121171606">示例：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_nw4_bpk_5dc" data-ofbid="psadc_test_guide__codeblock_nw4_bpk_5dc">test_psadc read</pre></div></li></ul></li><li class="- topic/li li" data-ofbid="d132650e82__20250121171606">ADC 读取测试：ADC 数据的读取可以使用 shell 命令 <code class="+ topic/ph pr-d/codeph ph codeph">test_psadc</code>
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，每次可读取某一个通道中的当前数据。<ul class="- topic/ul ul" id="psadc_test_guide__ul_gkh_4y4_ybc" data-ofbid="psadc_test_guide__ul_gkh_4y4_ybc"><li class="- topic/li li" data-ofbid="d132650e88__20250121171606">RTOS
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开发环境<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_o3r_gy4_ybc" data-ofbid="psadc_test_guide__codeblock_o3r_gy4_ybc">test_psadc -s</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_exw_mfk_5dc" data-ofbid="psadc_test_guide__codeblock_exw_mfk_5dc">In PSADC V1.<span class="hl-number">01</span>
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enabled <span class="hl-number">3</span> channels: [<span class="hl-number">5</span>] [<span class="hl-number">6</span>] [<span class="hl-number">7</span>]</pre><ul class="- topic/ul ul" id="psadc_test_guide__ul_sxx_vfk_5dc" data-ofbid="psadc_test_guide__ul_sxx_vfk_5dc"><li class="- topic/li li" data-ofbid="d132650e95__20250121171606">
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<div class="- topic/p p" data-ofbid="d132650e97__20250121171606">未设置 adc 基准参考电压时，采用 adc 基准参考电压为 3V
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进行计算<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_gc1_nfk_5dc" data-ofbid="psadc_test_guide__codeblock_gc1_nfk_5dc">test_psadc -t <span class="hl-number">3</span></pre></div>
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</li><li class="- topic/li li" data-ofbid="d132650e102__20250121171606">未设置采样次数时，默认采样 10
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次：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_aw2_nfk_5dc" data-ofbid="psadc_test_guide__codeblock_aw2_nfk_5dc">test_psadc -n <span class="hl-number">2</span></pre></li><li class="- topic/li li" data-ofbid="d132650e106__20250121171606">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_ubk_nfk_5dc" data-ofbid="psadc_test_guide__codeblock_ubk_nfk_5dc">test_psadc -r</pre>
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_kzr_nfk_5dc" data-ofbid="psadc_test_guide__codeblock_kzr_nfk_5dc">Start samplng <span class="hl-number">2</span> samples <strong class="hl-keyword">for</strong> <span class="hl-number">3</span> channels
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Sample time: <span class="hl-number">11</span> us
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[<span class="hl-number">1</span>] PSADC: <span class="hl-number">4095</span> <span class="hl-number">976</span> <span class="hl-number">833</span> # ADC 值依次是所设置通道(从小到大排序[<span class="hl-number">5</span>][<span class="hl-number">6</span>][<span class="hl-number">7</span>]通道)的采样值
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voltage: <span class="hl-number">3.</span> <span class="hl-number">0</span>v <span class="hl-number">0.71</span>v <span class="hl-number">0.61</span>v # 同理，该电压值依次是[<span class="hl-number">5</span>][<span class="hl-number">6</span>][<span class="hl-number">7</span>]通道的电压
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Sample time: <span class="hl-number">10</span> us
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[<span class="hl-number">2</span>] PSADC: <span class="hl-number">4095</span> <span class="hl-number">907</span> <span class="hl-number">750</span>
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voltage: <span class="hl-number">3.</span> <span class="hl-number">0</span>v <span class="hl-number">0.66</span>v <span class="hl-number">0.54</span>v
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Sample time: <span class="hl-number">10</span> us</pre>
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</li></ul></li><li class="- topic/li li" data-ofbid="d132650e114__20250121171606">Baremetal
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开发环境<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_xyb_ty4_ybc" data-ofbid="psadc_test_guide__codeblock_xyb_ty4_ybc">test_psadc status</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_emr_xfk_5dc" data-ofbid="psadc_test_guide__codeblock_emr_xfk_5dc">In PSADC V1.<span class="hl-number">01</span>
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enabled <span class="hl-number">3</span> channels: [<span class="hl-number">5</span>] [<span class="hl-number">6</span>] [<span class="hl-number">7</span>]</pre><p class="- topic/p p" data-ofbid="d132650e120__20250121171606">未设置 adc 基准参考电压时，采用
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adc 基准参考电压为 3V
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进行计算：</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_bkv_xfk_5dc" data-ofbid="psadc_test_guide__codeblock_bkv_xfk_5dc">test_psadc modify <span class="hl-number">3</span></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_u1v_yfk_5dc" data-ofbid="psadc_test_guide__codeblock_u1v_yfk_5dc">test_psadc read</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="psadc_test_guide__codeblock_ajb_zfk_5dc" data-ofbid="psadc_test_guide__codeblock_ajb_zfk_5dc">Start samplng <strong class="hl-keyword">for</strong> <span class="hl-number">3</span> channels
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Sample time: <span class="hl-number">11</span> us
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[<span class="hl-number">1</span>] PSADC: <span class="hl-number">4095</span> <span class="hl-number">976</span> <span class="hl-number">833</span> # ADC 值依次是所设置通道(从小到大排序[<span class="hl-number">5</span>][<span class="hl-number">6</span>][<span class="hl-number">7</span>]通道)的采样值
|
||
voltage: <span class="hl-number">3.</span> <span class="hl-number">0</span>v <span class="hl-number">0.71</span>v <span class="hl-number">0.61</span>v # 同理，该电压值依次是[<span class="hl-number">5</span>][<span class="hl-number">6</span>][<span class="hl-number">7</span>]通道的电压
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Sample time: <span class="hl-number">10</span> us
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[<span class="hl-number">2</span>] PSADC: <span class="hl-number">4095</span> <span class="hl-number">907</span> <span class="hl-number">750</span>
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voltage: <span class="hl-number">3.</span> <span class="hl-number">0</span>v <span class="hl-number">0.66</span>v <span class="hl-number">0.54</span>v
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Sample time: <span class="hl-number">10</span> us</pre></li></ul></li></ol>
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